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# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: sample_query_tables.py
DESCRIPTION:
These samples demonstrate the following: listing and querying all Tables within
a storage account.
USAGE:
python sample_query_tables.py
Set the environment variables with your own values before running the sample:
1) TABLES_STORAGE_ENDPOINT_SUFFIX - the Table service account URL suffix
2) TABLES_STORAGE_ACCOUNT_NAME - the name of the storage account
3) TABLES_PRIMARY_STORAGE_ACCOUNT_KEY - the storage account access key
"""
import os
from dotenv import find_dotenv, load_dotenv
class QueryTables(object):
def __init__(self):
load_dotenv(find_dotenv())
self.access_key = os.environ["TABLES_PRIMARY_STORAGE_ACCOUNT_KEY"]
self.endpoint_suffix = os.environ["TABLES_STORAGE_ENDPOINT_SUFFIX"]
self.account_name = os.environ["TABLES_STORAGE_ACCOUNT_NAME"]
self.connection_string = f"DefaultEndpointsProtocol=https;AccountName={self.account_name};AccountKey={self.access_key};EndpointSuffix={self.endpoint_suffix}"
def tables_in_account(self):
# Instantiate the TableServiceClient from a connection string
from azure.data.tables import TableServiceClient
with TableServiceClient.from_connection_string(conn_str=self.connection_string) as table_service:
# [START tsc_create_table]
table_service.create_table("mytable1")
table_service.create_table("mytable2")
# [END tsc_create_table]
try:
# [START tsc_list_tables]
# List all the tables in the service
list_tables = table_service.list_tables()
print("Listing tables:")
for table in list_tables:
print(f"\t{table.name}")
# [END tsc_list_tables]
# [START tsc_query_tables]
table_name = "mytable1"
name_filter = f"TableName eq '{table_name}'"
queried_tables = table_service.query_tables(name_filter)
print("Queried_tables")
for table in queried_tables:
print(f"\t{table.name}")
# [END tsc_query_tables]
finally:
# [START tsc_delete_table]
self.delete_tables()
# [END tsc_delete_table]
def delete_tables(self):
from azure.data.tables import TableServiceClient
with TableServiceClient.from_connection_string(conn_str=self.connection_string) as ts:
tables = ["mytable1", "mytable2"]
for table in tables:
try:
ts.delete_table(table_name=table)
except:
pass
if __name__ == "__main__":
sample = QueryTables()
sample.tables_in_account()
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